BRUEL & KJAER 4812 - Type 4801 Body

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Springs Waund i n
o pp osite Directi
ans
Eye · B alt
Bracket Wel ded to P late
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Steel F rame
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Pl ate
G. G. of Mass
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Sp ac
V
ers
271180
Fig .2. 2. Tension support for a seismic block
into the concrete . The bolts should project up 75 mm from the plate, in order to clear the
base plate of the Exciter.
Fig.2.4 shows the dimensions of the base plate of the Exciter and the location and size of
the bolt holes. Each dimension applies to all four sides.
2.2. ELECTR IC AL INST A LLATION OF E XCITERS USING TYPE 4801 BODY
It is recommended that all mains installation and connections be made by a qualified
electrician .
S urf ace of
100mm
Concrete
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272185/1
Fig.2.3. Plate anchor details for mounting blocks
9